linux-kernel - RE: [PATCH 1/2] ahci: qoriq: add lx2160 platforms support

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Date:   Fri, 11 Jan 2019 06:35:44 +0000
From:   Peng Ma <peng.ma@....com>
To:     Leo Li <leoyang.li@....com>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "axboe@...nel.dk" <axboe@...nel.dk>
CC:     "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-ide@...r.kernel.org" <linux-ide@...r.kernel.org>,
        Andy Tang <andy.tang@....com>
Subject: RE: [PATCH 1/2] ahci: qoriq: add lx2160 platforms support



>-----Original Message-----
>From: Leo Li
>Sent: 2019年1月11日 4:30
>To: Peng Ma <peng.ma@....com>; shawnguo@...nel.org; axboe@...nel.dk
>Cc: robh+dt@...nel.org; mark.rutland@....com;
>linux-arm-kernel@...ts.infradead.org; devicetree@...r.kernel.org;
>linux-kernel@...r.kernel.org; linux-ide@...r.kernel.org; Andy Tang
><andy.tang@....com>
>Subject: RE: [PATCH 1/2] ahci: qoriq: add lx2160 platforms support
>
>
>
>> -----Original Message-----
>> From: Peng Ma
>> Sent: Thursday, January 10, 2019 4:32 AM
>> To: Peng Ma <peng.ma@....com>; shawnguo@...nel.org; axboe@...nel.dk
>> Cc: Leo Li <leoyang.li@....com>; robh+dt@...nel.org;
>> mark.rutland@....com; linux-arm-kernel@...ts.infradead.org;
>> devicetree@...r.kernel.org; linux-kernel@...r.kernel.org; linux-
>> ide@...r.kernel.org; Andy Tang <andy.tang@....com>
>> Subject: RE: [PATCH 1/2] ahci: qoriq: add lx2160 platforms support
>>
>> Hi Jens，
>>
>> 	I send the sata patchs to the upstream patchwork with
>> ./scripts/get_maintainer.pl, but I find my patch on
>> http://patchwork.ozlabs.org/project/linux-ide/list/ , I saw the
>> MAINTAINERS, the driver/ata/* should be on
>> https://patchwork.kernel.org/project/linux-
>> block/list/ . could you please help me what the patchwork is right.
>
>Peng,
>
>The patchwork used is related to the mailing list which you send the patch to
>not the maintainer's git tree used.  Since the MAINTAINERS file says
>drivers/ata should use linux-ide mailing list, patches will appear in linux-ide
>patchwork.
>
>Regards,
>Leo
>
[Peng Ma] got it, thanks.
Best Regards,
Peng
>> 	Thanks a lot.
>>
>> Best Regards,
>> Peng
>>
>> >-----Original Message-----
>> >From: Peng Ma <peng.ma@....com>
>> >Sent: 2019年1月10日 18:06
>> >To: shawnguo@...nel.org; axboe@...nel.dk
>> >Cc: Leo Li <leoyang.li@....com>; robh+dt@...nel.org;
>> >mark.rutland@....com; linux-arm-kernel@...ts.infradead.org;
>> >devicetree@...r.kernel.org; linux-kernel@...r.kernel.org;
>> >linux-ide@...r.kernel.org; Peng Ma <peng.ma@....com>
>> >Subject: [PATCH 1/2] ahci: qoriq: add lx2160 platforms support
>> >
>> >Lx2160a is a new introduced soc which supports ATA3.0 and Clean up
>> >some code
>> >
>> >Signed-off-by: Peng Ma <peng.ma@....com>
>> >---
>> > drivers/ata/ahci_qoriq.c |   44 ++++++++++++--------------------------------
>> > 1 files changed, 12 insertions(+), 32 deletions(-)
>> >
>> >diff --git a/drivers/ata/ahci_qoriq.c b/drivers/ata/ahci_qoriq.c
>> >index
>> >ce59253..1994bf2 100644
>> >--- a/drivers/ata/ahci_qoriq.c
>> >+++ b/drivers/ata/ahci_qoriq.c
>> >@@ -57,7 +57,7 @@ enum ahci_qoriq_type {
>> > 	AHCI_LS2080A,
>> > 	AHCI_LS1046A,
>> > 	AHCI_LS1088A,
>> >-	AHCI_LS2088A,
>> >+	AHCI_LX2160A,
>> > };
>> >
>> > struct ahci_qoriq_priv {
>> >@@ -73,7 +73,7 @@ struct ahci_qoriq_priv {
>> > 	{ .compatible = "fsl,ls2080a-ahci", .data = (void *)AHCI_LS2080A},
>> > 	{ .compatible = "fsl,ls1046a-ahci", .data = (void *)AHCI_LS1046A},
>> > 	{ .compatible = "fsl,ls1088a-ahci", .data = (void *)AHCI_LS1088A},
>> >-	{ .compatible = "fsl,ls2088a-ahci", .data = (void *)AHCI_LS2088A},
>> >+	{ .compatible = "fsl,lx2160a-ahci", .data = (void *)AHCI_LX2160A},
>> > 	{},
>> > };
>> > MODULE_DEVICE_TABLE(of, ahci_qoriq_of_match); @@ -174,12 +174,10
>> @@
>> >static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv)
>> > 		writel(LS1021A_PORT_PHY4, reg_base + PORT_PHY4);
>> > 		writel(LS1021A_PORT_PHY5, reg_base + PORT_PHY5);
>> > 		writel(AHCI_PORT_TRANS_CFG, reg_base + PORT_TRANS);
>> >-		if (qpriv->is_dmacoherent)
>> >-			writel(AHCI_PORT_AXICC_CFG,
>> >-					reg_base + LS1021A_AXICC_ADDR);
>> > 		break;
>> >
>> > 	case AHCI_LS1043A:
>> >+	case AHCI_LS1046A:
>> > 		if (!qpriv->ecc_addr)
>> > 			return -EINVAL;
>> > 		writel(readl(qpriv->ecc_addr) | ECC_DIS_ARMV8_CH2, @@ -
>> 188,8
>> >+186,6 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv
>> >+*hpriv)
>> > 		writel(AHCI_PORT_PHY2_CFG, reg_base + PORT_PHY2);
>> > 		writel(AHCI_PORT_PHY3_CFG, reg_base + PORT_PHY3);
>> > 		writel(AHCI_PORT_TRANS_CFG, reg_base + PORT_TRANS);
>> >-		if (qpriv->is_dmacoherent)
>> >-			writel(AHCI_PORT_AXICC_CFG, reg_base +
>> PORT_AXICC);
>> > 		break;
>> >
>> > 	case AHCI_LS2080A:
>> >@@ -197,24 +193,10 @@ static int ahci_qoriq_phy_init(struct
>> >ahci_host_priv
>> >*hpriv)
>> > 		writel(AHCI_PORT_PHY2_CFG, reg_base + PORT_PHY2);
>> > 		writel(AHCI_PORT_PHY3_CFG, reg_base + PORT_PHY3);
>> > 		writel(AHCI_PORT_TRANS_CFG, reg_base + PORT_TRANS);
>> >-		if (qpriv->is_dmacoherent)
>> >-			writel(AHCI_PORT_AXICC_CFG, reg_base +
>> PORT_AXICC);
>> >-		break;
>> >-
>> >-	case AHCI_LS1046A:
>> >-		if (!qpriv->ecc_addr)
>> >-			return -EINVAL;
>> >-		writel(readl(qpriv->ecc_addr) | ECC_DIS_ARMV8_CH2,
>> >-				qpriv->ecc_addr);
>> >-		writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1);
>> >-		writel(AHCI_PORT_PHY2_CFG, reg_base + PORT_PHY2);
>> >-		writel(AHCI_PORT_PHY3_CFG, reg_base + PORT_PHY3);
>> >-		writel(AHCI_PORT_TRANS_CFG, reg_base + PORT_TRANS);
>> >-		if (qpriv->is_dmacoherent)
>> >-			writel(AHCI_PORT_AXICC_CFG, reg_base +
>> PORT_AXICC);
>> > 		break;
>> >
>> > 	case AHCI_LS1088A:
>> >+	case AHCI_LX2160A:
>> > 		if (!qpriv->ecc_addr)
>> > 			return -EINVAL;
>> > 		writel(readl(qpriv->ecc_addr) | ECC_DIS_LS1088A, @@ -
>> 223,18
>> >+205,16 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv
>> >+*hpriv)
>> > 		writel(AHCI_PORT_PHY2_CFG, reg_base + PORT_PHY2);
>> > 		writel(AHCI_PORT_PHY3_CFG, reg_base + PORT_PHY3);
>> > 		writel(AHCI_PORT_TRANS_CFG, reg_base + PORT_TRANS);
>> >-		if (qpriv->is_dmacoherent)
>> >-			writel(AHCI_PORT_AXICC_CFG, reg_base +
>> PORT_AXICC);
>> > 		break;
>> >+	}
>> >
>> >-	case AHCI_LS2088A:
>> >-		writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1);
>> >-		writel(AHCI_PORT_PHY2_CFG, reg_base + PORT_PHY2);
>> >-		writel(AHCI_PORT_PHY3_CFG, reg_base + PORT_PHY3);
>> >-		writel(AHCI_PORT_TRANS_CFG, reg_base + PORT_TRANS);
>> >-		if (qpriv->is_dmacoherent)
>> >-			writel(AHCI_PORT_AXICC_CFG, reg_base +
>> PORT_AXICC);
>> >-		break;
>> >+	if (qpriv->is_dmacoherent) {
>> >+		if (qpriv->type == AHCI_LS1021A)
>> >+			writel(AHCI_PORT_AXICC_CFG,
>> >+			       reg_base + LS1021A_AXICC_ADDR);
>> >+		else
>> >+			writel(AHCI_PORT_AXICC_CFG,
>> >+			       reg_base + PORT_AXICC);
>> > 	}
>> >
>> > 	return 0;
>> >--
>> >1.7.1